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karst spring造句

造句7.25K

1、Describes the present state of Liulin karst spring and puts forward some opinions about its development, utilization, and protection.

karst spring造句

2、The groundwater system of karst spring is a nonlinear and dynamic system influenced by factors such as hydrology, geology, landform, vegetation and human's activities.

3、Karst caves, subterranean streams and karst springs also are other important valuable kinds of tourism resources.

标签:造句 spring karst